From 5bd99195fab011e2b04c2ff7eed9ef5d44b2fe86 Mon Sep 17 00:00:00 2001
From: phaer <hello@phaer.org>
Date: Fri, 11 Apr 2025 12:22:51 +0200
Subject: [PATCH] installer/sd-card: use mkImageMediaOverride...

...for filesystem options. Before this change, users would typically encounter conflicting option definitions when trying to build an image for a generic nixos closure, i.e. `nixos-rebuild build-image --image-variant sd-card --flake .#my-host`
---
 nixos/modules/installer/sd-card/sd-image.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/installer/sd-card/sd-image.nix b/nixos/modules/installer/sd-card/sd-image.nix
index d96216c4ae17..0fb725a035e3 100644
--- a/nixos/modules/installer/sd-card/sd-image.nix
+++ b/nixos/modules/installer/sd-card/sd-image.nix
@@ -185,7 +185,7 @@ in
   config = {
     hardware.enableAllHardware = true;
 
-    fileSystems = {
+    fileSystems = lib.mkImageMediaOverride {
       "/boot/firmware" = {
         device = "/dev/disk/by-label/${config.sdImage.firmwarePartitionName}";
         fsType = "vfat";